2013-2014学年四川省雅安中学高二上学期期中考试英语试卷(带解析)

适用年级:高二
试卷号:80829

试卷类型:期中
试卷考试时间:2017/7/19

1.选择题(共3题)

1.

电磁波已广泛运用于很多领域.下列关于电磁波的说法符合实际的是(   )

2.

一静止原子核发生α衰变,生成一α粒子及一新核,α粒子垂直进入磁感应强度大小为B的匀强磁场,其运动轨迹是半径为R的圆.已知α粒子的质量为m,电荷量为q;新核的质量为M;光在真空中的速度大小为c.求衰变前原子核的质量.

3.

太阳内部不断进行着各种核聚变反应,一个氘核和一个氚核结合成一个氦核是其中一种,请写出其核反应方程{#blank#}1{#/blank#};如果氘核的比结合能为E1,氚核的比结合能为E2,氦核的比结合能为E3,则上述反应释放的能量可表示为{#blank#}2{#/blank#}.

2.单项选择(共5题)

4.
It's quite obvious that the aging population in China will cause heavy pressure on   ________ whole society in the future.
A./;theB.the;/C.a;theD.a:a
5.
With coal and oil , what long-term effects of global warming on humans will be?
A.run out ofB.are using upC.run out D.running out of
6.
All the classmates were _______my suggestion that we read English every day.
A.in case ofB.in favor ofC.in honor ofD.in order of
7.
Mr. Lin _____ when I go to see him on Sundays.
A.is always workingB.was always working
C.always workedD.has always worked
8.
As a coach,you should know clearly about the direction your team should develop.
A.to whichB.in whichC.on whichD. for which
试卷分析
  • 【1】题量占比

    选择题:(3道)

    单项选择:(5道)

  • 【2】:难度分析

    1星难题:0

    2星难题:0

    3星难题:0

    4星难题:0

    5星难题:0

    6星难题:5

    7星难题:0

    8星难题:0

    9星难题:0